Rotate a YUV video

[marco_lopes]

Hello All,

Im trying to rotate a yuv video 90 degrees but its not working as i expected
Im using ippiRotate 16u C1R, the rotate works but the colors are wrong.
Thank you in advance,

Marco

[Vladimir_Dudnik]

Hi Marco,

for the case of rotation by 90 degrees you may prefer to use ippiMirror functions which should be much faster than general ippiRotate.

And note, if your frame is 8-bit per channel you need to use 8u functions not 16u.

Regards,
Vladimir

[marco_lopes]

Hello Vladimir,

Thanks for the tips. Mirror functions only help when it's 180 degrees.
Unfortunatelly there is no rotate 8U_C2.

I guess I have to convert it to 24 bit, and then rotate.

Marco

[Vladimir_Dudnik]

Oh, yes, you are correct. I mean ippiTranspose function, but this does not work with sub-sampled image formats (like YUV422 or 420).

Regards,
Vladimir